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Unit 2 7th Grade

Plate Motion

QuestionAnswer
A diagram that shows what the indside of something looks like Cross Section
Earth's outermost layer of hard, solid rock that is underneath the soil, vegetation, and water Outer Layer
One of the very large sections of hard, solid rock that make up the Earth's outer layer Plate
Something we observe to be similar over and over again Pattern
The place where two plates meet Plate Boundary
A sudden shaking of Earth's surface Earthquake
An underwater mountain range formed when two plates move apart Mid-ocean ridge
A long, deep indentation in the ocean floor formed when two plates move together Trench
To examine in detail for a purpose Analyze
How often or fast something happens Rate
Any of the many processes in which gas, lava, and ash are pushed out on the surface of the Earth Volcanic Activity
Moving towards the same place Convergent
Moving apart in different directions Divergent
THe layer of soft, solid rock underneath Earth's plates Mantle
Key concept: Earth's outer layer is made of hard, solid rock
K.C. Earth's outer layer is divided into sections called plates
K.C. Geologists look for patterns in ______________ and in ___________________ in order to better understand Earth. landforms, geologic events
K.C. The plates of the Earth's outer layer move
K.C. Earth's plates move on top of a soft, solid layer of rock called the mantle
K.C. At _____________ plate boundaries, rock rises from the mantle and hardens, adding more solid rock to the edges of both plates. Divergent
K.C. At ________________ plate boundaries, one plate moves _______________ the other plate and sinks into the mantle. convergent, underneath
K.C. Earth's plates travel at a rate too ___________ to be experienced by humans. slow
K.C. It takes a ___________ time for Earth's plates to travel a ___________ distance. long time, great distance
Created by: user-2013070
 

 



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